Home / 13,409.04-20,114.46-5,087.46

Finding the Fourth Proportional to 13,409.04, 20,114.46 and 5,087.46

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Solution

The fourth proportional to 13,409.04, 20,114.46 and 5,087.46 is: 7,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.04 : 20,114.46 = 5,087.46 : x
  2. Step 2: Convert to fraction form
    13,409.04/20,114.46 = 5,087.46/x
  3. Step 3: Cross multiply
    13,409.04x = 20,114.46 × 5,087.46
  4. Step 4: Simplify right side
    13,409.04x = 102,331,510.67
  5. Step 5: Solve for x
    x = 102,331,510.67/13,409.04
  6. Step 6: Final answer
    x = 7,631.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.